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Auditor's Office

Auditor's Office

Harris County, Texas

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INVOICE REQUIREMENTS

Before payment can be processed, a "proper" invoice must be received by Accounts Payable

Elements of a Proper Invoice

Each invoice presented by a vendor for payment must be clear and accurate and free from mathematical and quantity errors and contain the following elements to facilitate efficient and effective payment processing. This list is not all inclusive and contractual provisions or other requirements/circumstances may require additional information to be provided.

  • Name of the vendor and "Remit to" address
  • Vendor invoice number and date
  • Vendor contract contact name and phone number
  • County contact name
  • Name of County department
  • Valid Purchase Order number
  • Written description of goods/services delivered
  • Delivery date or service date
  • Substituted items must have documented approval
  • Quantity and unit price of item
  • Extension on each line item
  • Total Amount Due
  • Payment Due Date
  • Payment Terms and Discount
  • Shipping payment terms
  • Supporting documentation: Detailed itemized receipts must be provided for all vendor expenses or reimbursement requests.


Additional Requirements for Professional and Personal Services Invoices

  • Description of services performed
  • Date, time, and hours worked
  • Hourly rate
  • Name and title of person performing service
  • Total amount due
  • Other information as required

 

When a Defective Invoice is Received

  • Invoices missing any required element will be deemed defective and will be returned without action to the vendor with a letter detailing what defect needs to be corrected.
  • When a corrected invoice is received, a new due date will be calculated. 

 
All hard copy invoices should be mailed directly to:  

Harris County Auditor's Office
Accounts Payable
1001 Preston, 8th Floor
Houston, Texas  77002

Vendors are encouraged to submit electronic invoices via email to:  vendorinvoices@hctx.net

 

Additional Vendor Information
Harris County is tax exempt
Provide a valid W-9, IRS W-9 form
Buy American Provision   

  

How to register for direct deposit payment or change banking information

  • Request an ACH Vendor Payment Authorization Agreement from Accounts Payable for completion and return to our office.
  • Ensure the form is signed by an authorized company officer.
  • Attach a voided check or bank verification letter.
  • Mail it to Harris County Auditor's Office, 1001 Preston, 8th Fl., Houston, TX  77002.

For suggestions or comments regarding this site please email us at webcomments@hctx.net.

The information contained in this site was valid at the time of posting. Harris County assumes no liability for damages incurred directly or indirectly as a result of errors, omissions or discrepancies. Moreover, Harris County is not responsible for the content nor endorses any site which has a link from this page. For additional information please review our Privacy Policy and our Accessibility Statement.